Mr.Smith used to smoke __________ but he has given it up.

Nearly 200 people entered the area ______ to mine diamonds in 2000, and eventually had to be driven off by the police. 

—Why are you so late?—The driver couldn’t see clearly because of the fog．____, the road was too icy．

If your father knows that you cheated in the exam，he will be ________ a little angry.

It rained that day and ________ the basketball game was called off.